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Message-ID: <202506131621.3a42eb16-lkp@intel.com>
Date: Fri, 13 Jun 2025 17:00:19 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Matthew Wilcox <willy@...radead.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>, David Hildenbrand
<david@...hat.com>, Zi Yan <ziy@...dia.com>, Andreas Larsson
<andreas@...sler.com>, Anton Ivanov <anton.ivanov@...bridgegreys.com>, "Dave
Hansen" <dave.hansen@...ux.intel.com>, "David S. Miller"
<davem@...emloft.net>, Geert Uytterhoeven <geert@...ux-m68k.org>, "Johannes
Berg" <johannes@...solutions.net>, Muchun Song <muchun.song@...ux.dev>,
Richard Weinberger <richard@....at>, <linux-s390@...r.kernel.org>,
<linux-mm@...ck.org>, <oliver.sang@...el.com>
Subject: [linus:master] [mm] 4e92030c05: will-it-scale.per_process_ops 4.0%
improvement
Hello,
kernel test robot noticed a 4.0% improvement of will-it-scale.per_process_ops on:
commit: 4e92030c05dc351e62955ac1aba7233157f49b78 ("mm: set the pte dirty if the folio is already dirty")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
testcase: will-it-scale
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 104 threads 2 sockets (Skylake) with 192G memory
parameters:
nr_task: 100%
mode: process
test: tlb_flush3
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250613/202506131621.3a42eb16-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase:
gcc-12/performance/x86_64-rhel-9.4/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/tlb_flush3/will-it-scale
commit:
f83f362d40 ("mm: fix ratelimit_pages update error in dirty_ratio_handler()")
4e92030c05 ("mm: set the pte dirty if the folio is already dirty")
f83f362d40ccceb6 4e92030c05dc351e62955ac1aba
---------------- ---------------------------
%stddev %change %stddev
\ | \
0.77 ± 20% -0.2 0.56 ± 16% mpstat.cpu.all.idle%
26.23 -2.4 23.80 mpstat.cpu.all.usr%
16365335 +4.0% 17014745 will-it-scale.104.processes
157358 +4.0% 163602 will-it-scale.per_process_ops
16365335 +4.0% 17014745 will-it-scale.workload
8282448 -13.7% 7149139 numa-numastat.node0.local_node
8350777 -13.5% 7220840 numa-numastat.node0.numa_hit
8668303 -13.6% 7493522 numa-numastat.node1.local_node
8707609 -13.5% 7530401 numa-numastat.node1.numa_hit
8350002 -13.5% 7220413 numa-vmstat.node0.numa_hit
8281672 -13.7% 7148711 numa-vmstat.node0.numa_local
8706793 -13.5% 7529384 numa-vmstat.node1.numa_hit
8667487 -13.6% 7492505 numa-vmstat.node1.numa_local
0.01 ± 3% +10.0% 0.01 ± 3% perf-sched.sch_delay.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 23% +91.2% 0.04 ± 32% perf-sched.sch_delay.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
3.66 ± 7% +12.3% 4.11 ± 2% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
536.50 ± 5% +45.9% 783.00 ± 6% perf-sched.wait_and_delay.count.__cond_resched.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range
306.33 ± 18% -42.8% 175.17 ± 15% perf-sched.wait_and_delay.count.__cond_resched.zap_pte_range.zap_pmd_range.isra.0
408.17 ± 9% -35.5% 263.17 ± 32% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi.[unknown]
8238 +2.9% 8473 proc-vmstat.nr_page_table_pages
17059957 -13.5% 14752681 proc-vmstat.numa_hit
16952322 -13.6% 14644097 proc-vmstat.numa_local
17203283 -13.4% 14890117 proc-vmstat.pgalloc_normal
5.235e+09 +4.0% 5.442e+09 proc-vmstat.pgfault
17050640 -15.9% 14343976 ± 6% proc-vmstat.pgfree
0.41 -5.4% 0.38 perf-stat.i.MPKI
2.709e+10 +5.3% 2.853e+10 perf-stat.i.branch-instructions
0.38 +0.1 0.45 perf-stat.i.branch-miss-rate%
1.014e+08 +23.4% 1.251e+08 perf-stat.i.branch-misses
73.09 +1.7 74.80 perf-stat.i.cache-miss-rate%
73925751 -2.7% 71898892 perf-stat.i.cache-references
2.14 -5.3% 2.02 perf-stat.i.cpi
177.46 -2.6% 172.82 perf-stat.i.cpu-migrations
1.334e+11 +5.2% 1.404e+11 perf-stat.i.instructions
0.47 +5.6% 0.49 perf-stat.i.ipc
333.01 +4.0% 346.43 perf-stat.i.metric.K/sec
17316843 +4.0% 18014455 perf-stat.i.minor-faults
17316843 +4.0% 18014455 perf-stat.i.page-faults
0.25 ± 70% +0.2 0.44 perf-stat.overall.branch-miss-rate%
48.64 ± 70% +26.0 74.62 perf-stat.overall.cache-miss-rate%
0.31 ± 70% +58.4% 0.49 perf-stat.overall.ipc
1639463 ± 70% +51.8% 2489322 perf-stat.overall.path-length
1.8e+10 ± 70% +58.0% 2.843e+10 perf-stat.ps.branch-instructions
67385653 ± 70% +85.0% 1.247e+08 perf-stat.ps.branch-misses
8.864e+10 ± 70% +57.8% 1.399e+11 perf-stat.ps.instructions
11506203 ± 70% +56.0% 17954441 perf-stat.ps.minor-faults
11506204 ± 70% +56.0% 17954441 perf-stat.ps.page-faults
2.683e+13 ± 70% +57.9% 4.236e+13 perf-stat.total.instructions
53.56 -1.1 52.41 perf-profile.calltrace.cycles-pp.testcase
2.10 -0.5 1.61 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
5.44 -0.1 5.34 perf-profile.calltrace.cycles-pp.error_entry.__madvise
1.72 -0.1 1.66 perf-profile.calltrace.cycles-pp.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range.zap_page_range_single
0.53 +0.0 0.56 perf-profile.calltrace.cycles-pp.do_shared_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
1.70 +0.0 1.74 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.zap_page_range_single
0.62 +0.0 0.66 perf-profile.calltrace.cycles-pp.__perf_sw_event.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
0.52 +0.0 0.57 perf-profile.calltrace.cycles-pp.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
1.38 +0.1 1.43 perf-profile.calltrace.cycles-pp.tlb_flush_rmaps.zap_pte_range.zap_pmd_range.unmap_page_range.zap_page_range_single
0.68 +0.1 0.74 perf-profile.calltrace.cycles-pp.mas_walk.find_vma_prev.madvise_do_behavior.do_madvise.__x64_sys_madvise
0.70 +0.1 0.76 perf-profile.calltrace.cycles-pp.__perf_sw_event.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase
1.79 +0.1 1.88 perf-profile.calltrace.cycles-pp.find_vma_prev.madvise_do_behavior.do_madvise.__x64_sys_madvise.do_syscall_64
0.51 +0.1 0.60 perf-profile.calltrace.cycles-pp.madvise_lock.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.83 +0.1 0.94 perf-profile.calltrace.cycles-pp.free_pages_and_swap_cache.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range
1.98 +0.1 2.10 perf-profile.calltrace.cycles-pp.folio_add_file_rmap_ptes.set_pte_range.filemap_map_pages.do_read_fault.do_pte_missing
0.72 +0.1 0.84 perf-profile.calltrace.cycles-pp.mas_walk.lock_vma_under_rcu.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
5.29 +0.1 5.42 perf-profile.calltrace.cycles-pp.flush_tlb_func.flush_tlb_mm_range.zap_pte_range.zap_pmd_range.unmap_page_range
0.42 ± 44% +0.1 0.56 perf-profile.calltrace.cycles-pp.___perf_sw_event.__perf_sw_event.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
1.24 ± 3% +0.2 1.39 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.testcase
0.59 +0.2 0.74 perf-profile.calltrace.cycles-pp.xas_load.xas_find.next_uptodate_folio.filemap_map_pages.do_read_fault
0.85 +0.2 1.04 perf-profile.calltrace.cycles-pp.xas_find.next_uptodate_folio.filemap_map_pages.do_read_fault.do_pte_missing
1.40 +0.2 1.62 perf-profile.calltrace.cycles-pp.lock_vma_under_rcu.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase
6.08 +0.2 6.32 perf-profile.calltrace.cycles-pp.flush_tlb_mm_range.zap_pte_range.zap_pmd_range.unmap_page_range.zap_page_range_single
2.46 +0.3 2.72 perf-profile.calltrace.cycles-pp.set_pte_range.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault
5.13 +0.3 5.43 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__madvise
3.65 +0.3 3.99 perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.__madvise
19.78 +0.4 20.16 perf-profile.calltrace.cycles-pp.madvise_do_behavior.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe
13.02 +0.4 13.42 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.zap_page_range_single.madvise_vma_behavior
13.60 +0.4 14.01 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.zap_page_range_single.madvise_vma_behavior.madvise_do_behavior
14.59 +0.4 15.02 perf-profile.calltrace.cycles-pp.unmap_page_range.zap_page_range_single.madvise_vma_behavior.madvise_do_behavior.do_madvise
16.59 +0.5 17.05 perf-profile.calltrace.cycles-pp.madvise_vma_behavior.madvise_do_behavior.do_madvise.__x64_sys_madvise.do_syscall_64
2.58 +0.5 3.04 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.testcase
15.85 +0.5 16.32 perf-profile.calltrace.cycles-pp.zap_page_range_single.madvise_vma_behavior.madvise_do_behavior.do_madvise.__x64_sys_madvise
20.68 +0.5 21.18 perf-profile.calltrace.cycles-pp.do_madvise.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
9.88 +0.5 10.38 perf-profile.calltrace.cycles-pp.next_uptodate_folio.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault
20.80 +0.5 21.31 perf-profile.calltrace.cycles-pp.__x64_sys_madvise.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
45.58 +0.6 46.16 perf-profile.calltrace.cycles-pp.__madvise
0.00 +0.6 0.58 perf-profile.calltrace.cycles-pp.__pte_offset_map_lock.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault
9.17 +0.6 9.75 perf-profile.calltrace.cycles-pp.__irqentry_text_end.testcase
0.74 ± 2% +0.7 1.43 perf-profile.calltrace.cycles-pp.__lruvec_stat_mod_folio.folio_remove_rmap_ptes.tlb_flush_rmap_batch.tlb_flush_rmaps.zap_pte_range
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.__munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.74 +0.7 3.44 perf-profile.calltrace.cycles-pp.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap
2.69 +0.7 3.44 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap
2.69 +0.7 3.44 perf-profile.calltrace.cycles-pp.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas.do_vmi_align_munmap.do_vmi_munmap
2.69 +0.7 3.44 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes.vms_complete_munmap_vmas
2.68 +0.7 3.42 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.vms_clear_ptes
21.76 +0.8 22.56 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__madvise
0.98 +1.0 1.99 perf-profile.calltrace.cycles-pp.folio_remove_rmap_ptes.tlb_flush_rmap_batch.tlb_flush_rmaps.zap_pte_range.zap_pmd_range
0.00 +1.1 1.14 perf-profile.calltrace.cycles-pp.tlb_flush_rmaps.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
1.12 +1.2 2.28 perf-profile.calltrace.cycles-pp.tlb_flush_rmap_batch.tlb_flush_rmaps.zap_pte_range.zap_pmd_range.unmap_page_range
20.54 +1.2 21.77 perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault
20.78 +1.3 22.04 perf-profile.calltrace.cycles-pp.do_read_fault.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
21.51 +1.3 22.84 perf-profile.calltrace.cycles-pp.do_pte_missing.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
23.06 +1.4 24.46 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
24.98 +1.6 26.53 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase
28.08 +1.8 29.90 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase
28.35 +1.8 30.20 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.testcase
30.84 +1.9 32.72 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.testcase
55.96 -1.2 54.78 perf-profile.children.cycles-pp.testcase
1.26 ± 3% -0.5 0.79 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
3.87 -0.4 3.42 perf-profile.children.cycles-pp.zap_present_ptes
2.23 -0.1 2.13 perf-profile.children.cycles-pp.sync_regs
0.65 -0.1 0.59 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
0.61 ± 2% -0.1 0.55 ± 4% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
0.29 -0.0 0.26 perf-profile.children.cycles-pp.__blk_flush_plug
0.48 -0.0 0.46 perf-profile.children.cycles-pp.blk_finish_plug
0.18 ± 2% -0.0 0.16 ± 2% perf-profile.children.cycles-pp.sched_tick
0.14 ± 3% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.fault_dirty_shared_page
0.19 ± 2% -0.0 0.18 ± 2% perf-profile.children.cycles-pp.__tlb_remove_folio_pages_size
0.07 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.file_update_time
0.10 ± 4% +0.0 0.12 perf-profile.children.cycles-pp.mm_needs_global_asid
0.10 ± 4% +0.0 0.12 ± 3% perf-profile.children.cycles-pp.shmem_get_folio_gfp
0.06 +0.0 0.08 ± 6% perf-profile.children.cycles-pp.filemap_get_entry
0.06 +0.0 0.08 ± 6% perf-profile.children.cycles-pp.free_swap_cache
0.13 ± 2% +0.0 0.15 perf-profile.children.cycles-pp.shmem_fault
0.19 +0.0 0.21 perf-profile.children.cycles-pp.__do_fault
0.21 ± 2% +0.0 0.24 perf-profile.children.cycles-pp.unmap_single_vma
0.52 +0.0 0.54 perf-profile.children.cycles-pp.percpu_counter_add_batch
0.24 ± 2% +0.0 0.27 perf-profile.children.cycles-pp.mas_prev
0.18 ± 2% +0.0 0.21 ± 2% perf-profile.children.cycles-pp.access_error
0.31 +0.0 0.34 perf-profile.children.cycles-pp.pte_offset_map_rw_nolock
0.18 ± 2% +0.0 0.22 ± 2% perf-profile.children.cycles-pp.finish_fault
0.43 +0.0 0.46 perf-profile.children.cycles-pp.___pte_offset_map
4.74 +0.0 4.77 perf-profile.children.cycles-pp.native_flush_tlb_one_user
0.45 +0.0 0.48 perf-profile.children.cycles-pp._raw_spin_lock
0.53 +0.0 0.57 perf-profile.children.cycles-pp.do_shared_fault
0.19 +0.0 0.23 perf-profile.children.cycles-pp.xas_start
0.05 +0.0 0.09 ± 4% perf-profile.children.cycles-pp.folio_mapping
0.50 +0.0 0.54 perf-profile.children.cycles-pp.folios_put_refs
0.53 +0.0 0.58 perf-profile.children.cycles-pp.handle_pte_fault
0.00 +0.1 0.05 perf-profile.children.cycles-pp.madvise_unlock
0.22 ± 2% +0.1 0.28 ± 2% perf-profile.children.cycles-pp._find_next_bit
0.96 +0.1 1.05 perf-profile.children.cycles-pp.___perf_sw_event
1.83 +0.1 1.92 perf-profile.children.cycles-pp.find_vma_prev
0.42 +0.1 0.51 perf-profile.children.cycles-pp.down_read
0.53 +0.1 0.63 perf-profile.children.cycles-pp.madvise_lock
0.72 +0.1 0.82 perf-profile.children.cycles-pp.__cond_resched
2.89 +0.1 2.99 ± 2% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio
1.33 +0.1 1.44 perf-profile.children.cycles-pp.__perf_sw_event
0.26 +0.1 0.37 perf-profile.children.cycles-pp.folio_mark_dirty
1.90 +0.1 2.01 perf-profile.children.cycles-pp.folio_remove_rmap_ptes
1.12 +0.1 1.23 perf-profile.children.cycles-pp.__pte_offset_map_lock
2.27 +0.1 2.39 perf-profile.children.cycles-pp.native_irq_return_iret
2.05 +0.1 2.18 perf-profile.children.cycles-pp.folio_add_file_rmap_ptes
1.21 +0.1 1.34 perf-profile.children.cycles-pp.free_pages_and_swap_cache
5.32 +0.1 5.46 perf-profile.children.cycles-pp.flush_tlb_func
0.64 +0.2 0.80 perf-profile.children.cycles-pp.xas_load
1.42 +0.2 1.60 perf-profile.children.cycles-pp.mas_walk
0.88 +0.2 1.08 perf-profile.children.cycles-pp.xas_find
1.42 +0.2 1.63 perf-profile.children.cycles-pp.lock_vma_under_rcu
0.24 ± 2% +0.2 0.46 perf-profile.children.cycles-pp.noop_dirty_folio
6.12 +0.3 6.38 perf-profile.children.cycles-pp.flush_tlb_mm_range
5.18 +0.3 5.48 perf-profile.children.cycles-pp.syscall_return_via_sysret
2.56 +0.3 2.86 perf-profile.children.cycles-pp.set_pte_range
3.93 +0.4 4.28 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
19.81 +0.4 20.20 perf-profile.children.cycles-pp.madvise_do_behavior
15.88 +0.5 16.34 perf-profile.children.cycles-pp.zap_page_range_single
16.64 +0.5 17.11 perf-profile.children.cycles-pp.madvise_vma_behavior
20.73 +0.5 21.23 perf-profile.children.cycles-pp.do_madvise
20.82 +0.5 21.32 perf-profile.children.cycles-pp.__x64_sys_madvise
9.99 +0.5 10.50 perf-profile.children.cycles-pp.next_uptodate_folio
9.19 +0.6 9.76 perf-profile.children.cycles-pp.__irqentry_text_end
45.91 +0.6 46.50 perf-profile.children.cycles-pp.__madvise
3.01 +0.6 3.65 perf-profile.children.cycles-pp.entry_SYSCALL_64
2.74 +0.7 3.44 perf-profile.children.cycles-pp.__munmap
2.74 +0.7 3.44 perf-profile.children.cycles-pp.__vm_munmap
2.74 +0.7 3.44 perf-profile.children.cycles-pp.__x64_sys_munmap
2.74 +0.7 3.44 perf-profile.children.cycles-pp.do_vmi_align_munmap
2.74 +0.7 3.44 perf-profile.children.cycles-pp.do_vmi_munmap
2.74 +0.7 3.44 perf-profile.children.cycles-pp.vms_clear_ptes
2.74 +0.7 3.44 perf-profile.children.cycles-pp.vms_complete_munmap_vmas
2.70 +0.7 3.44 perf-profile.children.cycles-pp.unmap_vmas
28.36 +0.7 29.10 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
15.79 +1.1 16.92 perf-profile.children.cycles-pp.zap_pte_range
16.34 +1.2 17.50 perf-profile.children.cycles-pp.zap_pmd_range
17.34 +1.2 18.51 perf-profile.children.cycles-pp.unmap_page_range
1.13 +1.2 2.30 perf-profile.children.cycles-pp.tlb_flush_rmap_batch
1.40 +1.2 2.59 perf-profile.children.cycles-pp.tlb_flush_rmaps
20.58 +1.2 21.81 perf-profile.children.cycles-pp.filemap_map_pages
20.80 +1.3 22.06 perf-profile.children.cycles-pp.do_read_fault
21.52 +1.3 22.85 perf-profile.children.cycles-pp.do_pte_missing
23.09 +1.4 24.49 perf-profile.children.cycles-pp.__handle_mm_fault
24.58 +1.5 26.08 perf-profile.children.cycles-pp.do_syscall_64
25.01 +1.6 26.56 perf-profile.children.cycles-pp.handle_mm_fault
28.15 +1.8 29.98 perf-profile.children.cycles-pp.do_user_addr_fault
36.24 +1.8 38.08 perf-profile.children.cycles-pp.asm_exc_page_fault
28.40 +1.8 30.24 perf-profile.children.cycles-pp.exc_page_fault
9.62 -3.8 5.81 perf-profile.self.cycles-pp.testcase
3.82 -0.7 3.07 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.83 ± 5% -0.6 0.19 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.54 -0.2 0.38 perf-profile.self.cycles-pp.__tlb_batch_free_encoded_pages
0.78 -0.1 0.64 perf-profile.self.cycles-pp.madvise_do_behavior
2.22 -0.1 2.12 perf-profile.self.cycles-pp.sync_regs
0.23 ± 2% -0.0 0.19 ± 3% perf-profile.self.cycles-pp.tlb_flush_mmu
0.19 ± 2% -0.0 0.17 ± 2% perf-profile.self.cycles-pp.__tlb_remove_folio_pages_size
0.24 ± 2% -0.0 0.23 ± 2% perf-profile.self.cycles-pp.__blk_flush_plug
0.51 -0.0 0.49 perf-profile.self.cycles-pp.mas_prev_slot
0.05 +0.0 0.06 ± 6% perf-profile.self.cycles-pp.free_swap_cache
0.16 +0.0 0.17 ± 2% perf-profile.self.cycles-pp.pte_offset_map_rw_nolock
0.16 ± 3% +0.0 0.18 perf-profile.self.cycles-pp.vm_normal_page
0.42 +0.0 0.44 perf-profile.self.cycles-pp.find_vma_prev
0.14 ± 2% +0.0 0.16 perf-profile.self.cycles-pp.unmap_single_vma
0.17 ± 2% +0.0 0.19 perf-profile.self.cycles-pp.mas_prev
0.09 ± 5% +0.0 0.11 ± 6% perf-profile.self.cycles-pp.madvise_lock
0.17 +0.0 0.19 ± 2% perf-profile.self.cycles-pp.access_error
0.20 ± 2% +0.0 0.23 ± 2% perf-profile.self.cycles-pp.do_pte_missing
0.50 +0.0 0.52 perf-profile.self.cycles-pp.percpu_counter_add_batch
0.28 ± 3% +0.0 0.31 perf-profile.self.cycles-pp.down_read
0.22 +0.0 0.25 perf-profile.self.cycles-pp.do_read_fault
0.41 +0.0 0.44 perf-profile.self.cycles-pp.___pte_offset_map
4.73 +0.0 4.76 perf-profile.self.cycles-pp.native_flush_tlb_one_user
0.51 +0.0 0.54 perf-profile.self.cycles-pp.folio_remove_rmap_ptes
0.43 +0.0 0.46 perf-profile.self.cycles-pp._raw_spin_lock
0.18 ± 2% +0.0 0.22 perf-profile.self.cycles-pp.xas_start
0.49 +0.0 0.52 perf-profile.self.cycles-pp.folios_put_refs
0.41 +0.0 0.45 ± 2% perf-profile.self.cycles-pp.__madvise
0.28 ± 2% +0.0 0.32 perf-profile.self.cycles-pp.xas_find
0.25 +0.0 0.29 perf-profile.self.cycles-pp.tlb_finish_mmu
0.19 ± 2% +0.1 0.25 perf-profile.self.cycles-pp._find_next_bit
0.01 ±223% +0.1 0.07 ± 6% perf-profile.self.cycles-pp.folio_mapping
0.57 +0.1 0.64 perf-profile.self.cycles-pp.flush_tlb_mm_range
0.42 +0.1 0.48 perf-profile.self.cycles-pp.__pte_offset_map_lock
0.91 +0.1 0.98 perf-profile.self.cycles-pp.handle_mm_fault
0.79 +0.1 0.86 perf-profile.self.cycles-pp.___perf_sw_event
0.22 ± 3% +0.1 0.29 perf-profile.self.cycles-pp.folio_mark_dirty
0.48 +0.1 0.56 ± 2% perf-profile.self.cycles-pp.__cond_resched
1.48 +0.1 1.56 perf-profile.self.cycles-pp.zap_pte_range
0.50 +0.1 0.58 perf-profile.self.cycles-pp.flush_tlb_func
0.54 +0.1 0.62 ± 2% perf-profile.self.cycles-pp.folio_add_file_rmap_ptes
0.65 +0.1 0.74 perf-profile.self.cycles-pp.free_pages_and_swap_cache
0.66 +0.1 0.75 perf-profile.self.cycles-pp.lock_vma_under_rcu
2.26 +0.1 2.39 perf-profile.self.cycles-pp.native_irq_return_iret
0.42 ± 2% +0.1 0.56 perf-profile.self.cycles-pp.xas_load
1.97 +0.1 2.10 perf-profile.self.cycles-pp.zap_present_ptes
0.14 ± 4% +0.2 0.30 ± 2% perf-profile.self.cycles-pp.tlb_flush_rmap_batch
1.40 +0.2 1.58 perf-profile.self.cycles-pp.mas_walk
0.51 +0.2 0.69 ± 2% perf-profile.self.cycles-pp.set_pte_range
0.22 ± 2% +0.2 0.43 perf-profile.self.cycles-pp.noop_dirty_folio
0.46 +0.3 0.74 perf-profile.self.cycles-pp.do_syscall_64
5.17 +0.3 5.47 perf-profile.self.cycles-pp.syscall_return_via_sysret
9.06 +0.3 9.37 perf-profile.self.cycles-pp.next_uptodate_folio
3.89 +0.4 4.24 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
7.31 +0.4 7.67 perf-profile.self.cycles-pp.filemap_map_pages
9.18 +0.6 9.76 perf-profile.self.cycles-pp.__irqentry_text_end
2.75 +0.6 3.37 perf-profile.self.cycles-pp.entry_SYSCALL_64
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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